The "Pi in the Sky" math challenge gives students a chance to take part in recent discoveries and upcoming celestial events, all while using math and pi just like NASA scientists and engineers. In this problem from the set , students use the mathematical constant pi to identify the timing and location of a seismic event on Mars, called a "marsquake." Materials Pi in the Sky 5: Quake Quandary worksheet – Download PDF Pi in the Sky 5 answer key – Download PDF Procedures During a seismic event on